Armchair



FIG. 1 is a perspective view of an armchair showing my design, taken from the front and to one side, looking down obliquely; and,

FIG. 2 is a perspective view of the armchair of FIG. 1, taken from the rear and to one side, looking down obliquely.

The side view of the armchair which has not been shown is a mirror image of that shown in FIG. 2. 

The ornamental design for an armchair, as shown and described. 